Note 7 - Balance Sheet - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Apr. 30, 2024	Jan. 31, 2024
Property and equipment, gross	$ 10,206	$ 10,152
Accumulated depreciation and amortization	(9,415)	(9,334)
Total property and equipment, net	791	818
Furniture and Fixtures [Member]
Property and equipment, gross	8,923	8,868
Vehicles [Member]
Property and equipment, gross	286	287
Land and Building [Member]
Property and equipment, gross	$ 997	$ 997